Working My Way Back to Mew!

After catching Scorbunny in Galar, Go noticed that his Pokédex got filled in when he caught it, which has caused him interest in getting every Pokémon. With Ash, he travels to the forests in the Kanto region and notices a lot of Bug-type Pokémon, so he sets himself a task: Catch every Bug Pokémon from Kanto. Which Pokémon will become his partners?